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National Geologic Map Database

Geologic Unit: Welden

Usage:

Welden Limestone (OK*)


Geologic age:

Mississippian*


Type section, locality, area and/or origin of name:

Type locality: in railroad cut, in sec. 27, T. 3 N., R. 6 E., a few mi east of Ada, Pontotoc Co., central southern OK. Named from Welden Creek which crosses outcrop in same section. Outcrops are some 20 mi in length (Cooper, 1939).


AAPG geologic province:

Arkoma basin*
South Oklahoma folded belt*


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.

"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).

Slash (/) indicates name does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).